
USB-controlled 8-channel relay board with latching SPCO relays rated to 16A each. Retains relay state through power cycles; LED indicators show each relay position.
Gravity and Grove single-relay modules, Pi relay HATs, USB-RLY16 boards, Sonoff Wi-Fi smart switches, and Waveshare Modbus RTU/TCP industrial modules — matched by control interface and contact rating.
16-Ch Ethernet Relay Module, Modbus RTU / Modbus TCP Protocol, Ethernet Port Communication, Supports PoE Power Supply, With Various Isolation And Protection Circuits visual preview16-Ch Ethernet Relay Module, Modbus RTU / Modbus TCP Protocol, Ethernet Port Communication, Supports PoE Power Supply, With Various Isolation And Protection Circuits
315MHz Codec-Adaptive Wireless Relay visual preview315MHz Codec-Adaptive Wireless Relay
315MHz Remote Relay Switch Kit - 2 Channels visual preview315MHz Remote Relay Switch Kit - 2 Channels
315MHz Wireless Car Key Fob with Key Chain (battery included) visual preview315MHz Wireless Car Key Fob with Key Chain (battery included)
4-Ch Modbus RTU Relay Module, RS485, 30A visual preview4-Ch Modbus RTU Relay Module, RS485, 30A
433MHz Codec-Adaptive Wireless Relay visual preview433MHz Codec-Adaptive Wireless Relay
8 Channel Relay Module (RJ45-RLY16, Up to 16A) visual preview8 Channel Relay Module (RJ45-RLY16, Up to 16A)
8-Ch Dual-Ethernet Relay Module (C), Modbus RTU, PoE visual preview8-Ch Dual-Ethernet Relay Module (C), Modbus RTU, PoE
8-Ch Ethernet Relay Module (B) with Digital Input, Modbus RTU/TCP, PoE visual preview8-Ch Ethernet Relay Module (B) with Digital Input, Modbus RTU/TCP, PoE
8-ch Ethernet Relay Module, Modbus RTU/Modbus TCP Protocol, PoE port Communication, With Various Isolation And Protection Circuits visual preview8-ch Ethernet Relay Module, Modbus RTU/Modbus TCP Protocol, PoE port Communication, With Various Isolation And Protection Circuits
8-Ch Modbus RTU Latching Relay Module (C), RS485 visual preview8-Ch Modbus RTU Latching Relay Module (C), RS485
8-Ch Modbus RTU Relay Module (E), RS485, 30A visual preview8-Ch Modbus RTU Relay Module (E), RS485, 30A
10W Super Bright LED - Violet visual preview
10W Super Bright LED - Warm White visual preview
3-Pin LED Strip Connector Cable - Single Head (5PCS) visual preview
3-Pin LED Strip Connector Cable (5PCS) visual previewWS2812/SK6812 NeoPixel strips, rings and Jewels, APA102 DotStar pixels, and plain analog RGB strips — each matched to its protocol and host, not just its connector.
Components · Addressable LEDs · 176 parts
18-Channel 8-bit PWM LED Driver w/ I2C Interface visual preview
24LC256 I/P I2C EEPROM PDIP-8 visual preview
24LC256 P DIP-8 visual preview
4N25 DIP-6 visual preview74HC logic gates, MCP3008/MCP23017 ADCs and expanders, 24LC256 EEPROM, 4N25-series optocouplers and ULN2803A drivers — bare DIP chips with no breakout-board conveniences like pull-ups or level shifting.
Components · Integrated circuits · 68 parts
10-bit ADC (SPI) visual preview
2-Channel RS232 Module for Raspberry Pi Pico visual preview
4-Ch USB 3.2 Gen1 Hub (USB3.2-Gen1-HUB-4U) visual preview
6-in-1 USB to Serial Converter visual previewADS1115/MCP3421 ADCs, MCP4725 and GP8413 DACs, CP2102 USB-UART boards, and I2C plumbing like the LTC4316 address shifter — matched to bus, resolution and signal range.
Components · Interface converters · 115 parts
256MB Micro SD Memory Card visual preview
25LC256 256 Kbit SPI EEPROM visual preview
64 Mbit Serial Pseudo SRAM - PSRAM - 3.3V 133 MHz visual preview
8GB Class 10 SD/MicroSD Memory Card - SD Adapter Included visual preview24LC32/25LC256 EEPROM, I2C FRAM, 64Mbit PSRAM, and microSD breakouts up to 64GB — matched to write frequency and data volume, not just interface.
Components · Memory & storage · 39 parts