Sprig-C3
Original price was: €15,00.€12,75Current price is: €12,75.
The brain. USB-C, onboard battery management and capacity monitoring, and great deep-sleep power efficiency.
18 in stock
Description
The Sprig-C3 is the board everything else in the SprigStack plugs into. An Espressif ESP32-C3 with USB-C, integrated battery management and capacity monitoring, laid out on a breadboard-friendly footprint with a labelled silkscreen.
It adds only 66.1 µA to the C3’s own deep-sleep draw, so a modest LiPo runs a sensor node for months rather than days. Firmware is ESPHome out of the box, which means it appears in Home Assistant as soon as it joins your network — no account, no cloud, no telemetry leaving the building.
Repairable, replaceable, reprogrammable. The schematic is open, the headers are standard, and nothing is glued shut.
Additional information
| Microcontroller | Espressif ESP32-C3 (RISC-V, Wi-Fi + BLE) |
|---|---|
| Connectivity | USB-C, Wi-Fi 802.11 b/g/n, Bluetooth LE – Breadboard compatible |
| Power | Onboard BMS with capacity monitoring, LiPo compatible |
| Deep sleep | 66.1 µA added over the bare ESP32-C3 |
| Firmware | ESPHome, Home Assistant native. Arduino and ESP-IDF supported. |
Related products
-
The SprigStackSale
Thorn
Dual MOSFET controller
Two independent low-side channels for pumps, fans, valves and LED strips — driven straight from the stack.
-
The SprigStackSale
-
The SprigStackSale
Bloom
LED matrix expansion PCB
A bright, addressable matrix for status, glanceable data or pocket-retro gaming.
-
The SprigStackSale
Root
Complete plant monitoring PCB
Capacitive soil moisture, light and temperature & humidity on one probe. Reports straight into Home Assistant.
Reviews
There are no reviews yet.