Best Seller3500+ sold
ESP32 Boards
ESP32-WROOM 30-Pin USB-C Development Board
The proven general-purpose ESP32 for Arduino, ESPHome, Home Assistant, sensors and connected projects.
£5.29
FREE UK DELIVERY
View detailsUK electronics · practical hardware
Electronics for makers, engineers and embedded projects.
Clearly documented development boards, displays and useful electronics modules from UK stock. Easy to understand for first projects, with the technical detail available when you need it.
UK stock
Products are held in the UK for straightforward domestic dispatch.
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Popular Aetherwatt products, ranked by current eBay sales when live statistics are connected.
Popular Choice300+ sold
ESP32 Boards
ESP32-S3 N16R8
High-memory ESP32-S3 with 16 MB flash and 8 MB PSRAM for displays, cameras, USB devices and demanding embedded projects.
£7.29
FREE UK DELIVERY
View detailsTools & Meters
LCD USB Multi-meter
Simple inline USB meter for checking charger voltage, current draw, cables, power banks and USB power sources.
£4.39
FREE UK DELIVERY
View detailsNew
ESP32 Boards
ESP32-C3-Super Mini
Tiny 4 MB RISC-V ESP32-C3 board for compact ESPHome, Home Assistant, BLE and IoT sensor projects.
£3.31
FREE UK DELIVERY
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Displays
1.8-inch ST7735S SPI TFT Display
Compact full-colour SPI display module for Arduino, ESP32, Raspberry Pi and embedded user interfaces.
£4.99
FREE UK DELIVERY
View detailsNew Arrival
ESP32 Boards
Heltec WiFi LoRa 32 V3.2
Heltec WiFi LoRa 32 V3.2 development board combining an ESP32-S3, SX1262 LoRa radio, 0.96-inch OLED, Wi-Fi, Bluetooth LE, USB-C and lithium-battery management, supplied with an 863–865 MHz LoRa antenna for UK / EU operation.
£23.99
FREE UK DELIVERY
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ESP32 Boards
ESP32-WROOM 0.96-inch OLED
ESP32-WROOM-32 development board with an integrated 0.96-inch OLED display, USB-C and CH340 USB-to-serial interface.
£6.99
FREE UK DELIVERY
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Microcontroller Boards
Pro Micro ATmega32U4
Compact ATmega32U4 board with native USB for Arduino-compatible HID, keyboard, controller and embedded projects.
£6.49
FREE UK DELIVERY
View detailsWhich ESP32 is right for you?
Three clear starting points for common embedded projects.
New arrivals
Recently added products are selected from product-page metadata.
ESP32 Boards
ESP32-WROOM 0.96-inch OLED
ESP32-WROOM-32 development board with an integrated 0.96-inch OLED display, USB-C and CH340 USB-to-serial interface.
£6.99
FREE UK DELIVERY
View detailsMicrocontroller Boards
Pro Micro ATmega32U4
Compact ATmega32U4 board with native USB for Arduino-compatible HID, keyboard, controller and embedded projects.
£6.49
FREE UK DELIVERY
View detailsNew Arrival
ESP32 Boards
Heltec WiFi LoRa 32 V3.2
Heltec WiFi LoRa 32 V3.2 development board combining an ESP32-S3, SX1262 LoRa radio, 0.96-inch OLED, Wi-Fi, Bluetooth LE, USB-C and lithium-battery management, supplied with an 863–865 MHz LoRa antenna for UK / EU operation.
£23.99
FREE UK DELIVERY
View detailsNew
ESP32 Boards
ESP32-C3-Super Mini
Tiny 4 MB RISC-V ESP32-C3 board for compact ESPHome, Home Assistant, BLE and IoT sensor projects.
£3.31
FREE UK DELIVERY
View detailsGuides & resources
Useful explanations designed to help you choose the right hardware before you buy.
Which ESP32 should I buy?
A simple guide to choosing between the C3, WROOM-32 and S3.
Read guide →Best ESP32 for ESPHome & Home Assistant
Match the board to simple sensors, Bluetooth proxies and larger projects.
Read guide →ESP32-C3 vs WROOM vs S3
Compare CPU, memory, Bluetooth, USB and typical use cases.
Read guide →Getting started with ESP32
A practical checklist for USB-C cables, board profiles and first tests.
Read guide →