M5Stack · Development boards
U139
SINGLE-PHASE AC SSR UNIT(CDG1-1D
A multi-brand MCU and embedded-component workspace. Compare recorded cores, memory, interfaces and packages while retaining firmware, board and manufacturer constraints.
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U139 specifications
Recorded source facts. Missing values are kept explicit; verify the exact manufacturer document before design approval.
| Manufacturer | M5Stack |
|---|---|
| Ordering code | U139 |
| Family | Development boards |
| Package | Not recorded |
| Product Status | Active |
| Platform | Arduino |
| Type | Interface |
| Function | Relay |
| Utilized IC / Part | ESP32-C3 |
| Contents | Board(s), Cable(s), Accessories |
Documents and evidence
U139 ↗Before sourcing U139
- Start from engineering requirements
- Record toolchain and firmware dependencies
- Verify package, pinout and peripherals
- Approve alternatives before procurement
Questions about U139
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