Tineato 3226 ATtiny Development Microcontroller Board 5V/20MHz Arduino Mini

USBtinyISP, ISP AVR programmer for Atmega Attiny

[10 x $40] ESP8266EX 802.11bgn WiFi Module w/ USB Programmer Adapter Arduino Pi

ESP8266/ESP32 USB Programmer - MLP201149

SLA-05VDC-SL-A Relay Module 5V 12V 24V 30A Arduino AVR PIC DSP ARM

Digispark Kickstarter Attiny85 USB Development Board for arduino NEW

PIC Microcontroller USB Automatic Programming Programmer K150 + ICSP cable

Atmega328 Programmer Shield for Arduino UNO - DIY Kit