rs485 to usb
Worth a lookShows a sweet-spot price point ($30.52 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Avg price
Incredible$30.52avg listing price — sweet spot $15–$100
Review moat
Great121.8avg incumbent reviews — the moat a new listing must climb
Price range
Great$6.48–$94.23cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Great1.5%return rate — above 5% kills the launch gate
Competition
Great35%top-5 click share — an open shelf
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Conversion
Good4.3%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
Bad93%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
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.Top rs485 to usb search terms
- waveshare61K/yr
- waveshare esp32-s315K/yr
- rs485 to usb17K/yr
- rs48515K/yr
- usb to rs485 adapter12K/yr
- waveshare display18K/yr
- usb to rs48512K/yr
- waveshare esp329K/yr
- rs485 to usb converter4K/yr
- usb to rs485 converter4K/yr
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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
USB to RS485 Converter Industrial Adapter Original FT232RL and SP485EEN Fast Communication Embedded Protection Circuits Resettable Fuse ESD Protection
waveshare$15.704.6★453 rev
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$17.434.6★447 rev
DSD TECH SH-U11 USB to RS485 RS422 Converter with FTDI FT232R Chip Work for Modbus
DSD TECH$15.504.6★610 rev
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$49.313.7★151 rev
waveshare 2PCS Industrial USB to RS485 Converter with Original FT232RL and SP485EEN Embedded Protection Circuits for Industrial Control Equipments and/or Applications
waveshare$25.394.6★72 rev
Newest
by launch date
Jhoinrch USB to RS485/RS422 Converter Adapter with FT232RNL Chip onboard Triple Protection Multi-OS Compatible
Jhoinrch$15.1644 rev
waveshare ESP32-S3 2.06inch AMOLED Touch Watch Development Board Based on ESP32-S3R8 Microcontroller Supports Offline Voice Recognition and AI Speech Interaction
waveshare$38.0516 rev
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$47.7622 rev
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$36.8133 rev
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$19.80213 rev
Trending
90-day click momentumWaveshare 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$47.763.6★
Jhoinrch USB to RS485/RS422 Converter Adapter with FT232RNL Chip onboard Triple Protection Multi-OS Compatible
Jhoinrch$15.164.8★
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$28.693.9★
DSD TECH SH-U11 USB to RS485 RS422 Converter with FTDI FT232R Chip Work for Modbus
DSD TECH$15.504.6★
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$37.253.6★
What buyers say about rs485 to usb
What buyers praise and complain about, mined from review topics.What buyers love
“I think it's a great value for the money”
“The build quality is excellent”
“As advertised”
“It was compatible with my serial to USB computer connection”
“The build quality is solid”
“the connectivity is excellent”
“easy set up”
“This is easy to use as it is as simple as plug”
“Solid USB to RS485 adapter”
“Bought for pwngotchi project, worked great, easy to understand instructions”
What buyers complain about
“it not being able to work”
“I read a reviewer who said the documentation was poor”
“it was some effort”
“not as described”
“causing conflicts when integrating additional devices”
“Then I noticed the one button fell off”
“The chipset used, CH340, was not compatible with my project”
“the built in software is not enough for a decent use”
“The button cable is pretty flimsy”
“I believe the design could have been improved”
Top return reasons
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.