---
title: "Rs485 to Usb — $226K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/electronics/rs485-to-usb"
last_updated: "2026-08-11T19:09:34.694Z"
locale: en
meta:
description: "Niche score 63/100 · $226K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 63/100 · $226K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Rs485 to Usb — $226K/yr Amazon US Niche (2026) - Flapen"
---
# **rs485 to usb**
**Worth a look**
Shows a sweet-spot price point ($30.52 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 43Growth 47Conversion 53Competition 80Returns 85Price range 87Avg price 95Brand share 18Review moat 94Quality gap 80
**Avg price**
**Incredible****$30.52**
avg listing price — sweet spot $15–$100
**Review moat**
**Great****121.8**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Great****$6.48–$94.23**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Great****1.5%**
return rate — above 5% kills the launch gate
**Competition**
**Great****35%**
top-5 click share — an open shelf
**Quality gap**
**Great****4.2★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Good****4.3%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Okay****+17.3%**
90-day search growth — must beat 0% to launch
**Market size**
**Okay****$226K**
$226K/yr · 171K searches
**Brand share**
**Bad****93%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, rs485 to usb is a $226K/yr Amazon United States market (171K searches/yr). The top 5 brands hold 93% of demand. Verdict: Worth a look — 63/100.
Data updated Jul 21, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **rs485 to usb market data**
- **Units sold / yr**
- **6K–8K**
- avg 100–250/product
- **Revenue / yr**
- **$183K–$244K**
- units × avg price
- **Conversion rate**
- **4.3%**
- **Avg BSR**
- **#1,006**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **76%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **40 months**
- **Avg seller age**
- **196 days**
## **Competition & brand share**
Clicks spread well past the top 5 (35% combined) — an open shelf where new products get seen.
**Brands**
**11 **—flat
**Sellers**
**20**
**Top-5 brand share**
**93%**
Top 20: 100%
**Top-5 click share**
**35%**
Top 20: 71%
**Open market**
**6%**
- waveshare72% - DSD TECH7% - DTECH7% - Xiusiyt4% - Jhoinrch3% - Gearmo1% - Open — no brand owns it (5 brands, 6%)
## **Demand**
Weekly Amazon search volume, last 23 weeks — +17.3% search growth over the last 90 days.
5K3KSpike '26Feb '26Mar '26Mar '26Apr '26May '26May '26Jun '26Jul '26
[**Open Trend **](https://flapen.com/research/us/electronics/rs485-to-usb/trend)
## **Top rs485 to usb search terms**
- **waveshare**61K/yr+29.5%0.6% conv. - **waveshare esp32-s3**15K/yr+43.6%1.5% conv. - **rs485 to usb**17K/yr+5.7%6.7% conv. - **rs485**15K/yr+12.1%2.2% conv. - **usb to rs485 adapter**12K/yr+27.3%6.9% conv. - **waveshare display**18K/yr-8.1%0.5% conv. - **usb to rs485**12K/yr-8.4%7.5% conv. - **waveshare esp32**9K/yr+10.6%1.5% conv. - **rs485 to usb converter**4K/yr+8.8%4.2% conv. - **usb to rs485 converter**4K/yr-10.5%7.0% conv. [**All search terms **](https://flapen.com/research/us/electronics/rs485-to-usb/search-terms)
## **Top rs485 to usb products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%5%$11K10%$23K15%$34K20%$45K101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**USB to RS485 Converter Industrial Adapter Original FT232RL and SP485EEN Fast Communication Embedded Protection Circuits Resettable Fuse ESD Protection**waveshare**$15.70**4.6★453 rev](https://www.amazon.com/dp/B081MB6PN2) [2**DTECH USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 11 10 8 7 XP Mac -1.5 Feet**DTECH**$17.43**4.6★447 rev](https://www.amazon.com/dp/B076WVFXN8) [3**DSD TECH SH-U11 USB to RS485 RS422 Converter with FTDI FT232R Chip Work for Modbus**DSD TECH**$15.50**4.6★610 rev](https://www.amazon.com/dp/B07B416CPK) [4**Waveshare ESP32-S3 7inch Capacitive Touch LCD Development Board ESP32 with Display 800480 5-Point Touch Up to 240MHz Frequency Supports WiFi & Bluetooth with Onboard Antenna**waveshare**$49.31**3.7★151 rev](https://www.amazon.com/dp/B0D2NMCY7K) [5**waveshare 2PCS Industrial USB to RS485 Converter with Original FT232RL and SP485EEN Embedded Protection Circuits for Industrial Control Equipments and/or Applications**waveshare**$25.39**4.6★72 rev](https://www.amazon.com/dp/B0B7MMSQXL)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Jhoinrch USB to RS485/RS422 Converter Adapter with FT232RNL Chip onboard Triple Protection Multi-OS Compatible**Jhoinrch**$15.16**44 rev9mo ago](https://www.amazon.com/dp/B0FX2PTXQ7) [**waveshare ESP32-S3 2.06inch AMOLED Touch Watch Development Board Based on ESP32-S3R8 Microcontroller Supports Offline Voice Recognition and AI Speech Interaction**waveshare**$38.05**16 rev12mo ago](https://www.amazon.com/dp/B0FJQZ7SBG) [**Waveshare ESP32-S3 1.75inch AMOLED Round Touch Display Development Board 32-bit LX7 Dual-core 466466 QSPI Dual Digital Microphones Array ESP32 with Display with Case**waveshare**$47.76**22 rev1y ago](https://www.amazon.com/dp/B0F7XTJ7JW) [**Waveshare ESP32-S3 1.8inch AMOLED Touch Display Embedded with SH8601 Display Driver and FT3168 Capacitive Touch Chip ESP32 32-bit LX7 Dual-core 368448 Pixels Without Lithium Battery**waveshare**$36.81**33 rev1y ago](https://www.amazon.com/dp/B0DSVK5576) [**Waveshare ESP32-C6 1.47inch Display Development Board 172320 262K Color 160MHz Running Frequency Single-Core Processor Supports Wi-Fi 6 & BLE with Colorful RGB LED ESP32 with Display**waveshare**$19.80**213 rev1y ago](https://www.amazon.com/dp/B0DHTMYTCY)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Waveshare ESP32-S3 1.75inch AMOLED Round Touch Display Development Board 32-bit LX7 Dual-core 466466 QSPI Dual Digital Microphones Array ESP32 with Display with Case**waveshare**$47.76**3.6★**▲ 128%**](https://www.amazon.com/dp/B0F7XTJ7JW) [**Jhoinrch USB to RS485/RS422 Converter Adapter with FT232RNL Chip onboard Triple Protection Multi-OS Compatible**Jhoinrch**$15.16**4.8★**▲ 81%**](https://www.amazon.com/dp/B0FX2PTXQ7) [**Waveshare ESP32-S3 Development Board with Onboard 1.69inch Touch LCD Display 240280 Pixels 262K Color Micro LCD Display ESP32-S3 Accelerometer and Gyroscope Sensor**waveshare**$28.69**3.9★**▲ 73%**](https://www.amazon.com/dp/B0D59P327V) [**DSD TECH SH-U11 USB to RS485 RS422 Converter with FTDI FT232R Chip Work for Modbus**DSD TECH**$15.50**4.6★**▲ 72%**](https://www.amazon.com/dp/B07B416CPK) [**Waveshare ESP32-S3 4.3inch Capacitive Touch Display Development Board 800480 5-Point Touch 32-Bit LX7 Dual-Core Processor Up to 240MHz Frequency with Onboard Antenna**waveshare**$37.25**3.6★**▲ 47%**](https://www.amazon.com/dp/B0CNCRZWVB)
**~~View all trending →~~**
## **What buyers say about rs485 to usb**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**14%
*“I think it's a great value for the money”*
**Quality-Overall**12%
*“The build quality is excellent”*
**Advertised Vs Actual Product**10%
*“As advertised”*
**Compatibility-Overall**9%
*“It was compatible with my serial to USB computer connection”*
**Design-Overall**8%
*“The build quality is solid”*
**Connectivity-Overall**6%
*“the connectivity is excellent”*
**Assembly/Installation**6%
*“easy set up”*
**Ease Of Use**3%
*“This is easy to use as it is as simple as plug”*
**Socket/Port/Plug**3%
*“Solid USB to RS485 adapter”*
**Instructions/User Manual/Troubleshooting**2%
*“Bought for pwngotchi project, worked great, easy to understand instructions”*
### **What buyers complain about **
**Functionality-Overall**10%
*“it not being able to work”*
**Instructions/User Manual/Troubleshooting**9%
*“I read a reviewer who said the documentation was poor”*
**Ease Of Use**7%
*“it was some effort”*
**Advertised Vs Actual Product**5%
*“not as described”*
**Connectivity-Overall**5%
*“causing conflicts when integrating additional devices”*
**Touch/Button Controls**5%
*“Then I noticed the one button fell off”*
**Compatibility-Overall**4%
*“The chipset used, CH340, was not compatible with my project”*
**Software/Application**3%
*“the built in software is not enough for a decent use”*
**Strength**3%
*“The button cable is pretty flimsy”*
**Design-Overall**3%
*“I believe the design could have been improved”*
### **Top return reasons **
**Compatibility-Overall**20%
**Functionality-Overall**20%
**Connectivity-Overall**9%
**Size-Overall**8%
**Defective Material/Parts**7%
**Touch Screen**6%
**Advertised Vs Actual Product**6%
**Software/Application**4%
**Product Condition**3%
**Value For Money**2%
## **Common questions**
- **Is rs485 to usb profitable to sell on Amazon United States?**
- The niche generates $226K/yr across 45 tracked products. 2 of 4 products launched in the last 360 days are still selling. 90-day search growth is +17.3%. Flapen's verdict: Worth a look (63/100).
- **How competitive is the rs485 to usb niche?**
- 11 brands and 20 sellers compete. The top 5 products take 35% of clicks and top 5 brands hold 93% of demand.
- **What do buyers complain about in rs485 to usb?**
- Top complaints mined from reviews: Functionality-Overall, Instructions/User Manual/Troubleshooting, Ease Of Use. The return rate is 1.5%.
- **What does it cost to enter the rs485 to usb niche?**
- Listings span $6.48–$94.23; the average listing price is $30.52 (sweet spot $15–$100). The average incumbent carries 122 reviews — the moat a new listing must climb.
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