Power Measurement Module
AssemblyCompact inline analyzer box sampling voltage and current, computing real-time kW and integrating kWh, communicating via WiFi. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Power Measurement Module parts and their functions
6 top-level parts · 6 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Measurement MCU | 1× | ARM Cortex-M4 microcontroller, 100 MHz, running metering firmware and WiFi stack |
| 2 | Dual 16-Bit ADC | 1× | Dual 16-bit ADC sampling voltage divider output and CT secondary, at 1 kHz per channel |
| 3 | Voltage Divider Network | 1× | Precision resistor network sampling line-to-neutral voltage, stepped down to 0–3.3 V ADC range |
| 4 | Power Computation Firmware | 1× | Firmware routine computing RMS voltage/current and instantaneous power (P = V × I), outputting kW |
| 5 | Energy Integrator | 1× | Firmware counter integrating power over time intervals, computing daily/monthly kWh |
| 6 | Local Storage Buffer | 1× | EEPROM or flash storing 30 days of hourly energy snapshots, buffered if WiFi offline |
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Bill of materials for Power Measurement Module
6 top-level lines · 6 rows shown · 6 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Measurement MCU | home-energy-monitor-measurement-mcu | 1× | 1 | · | part |
| 2 | Dual 16-Bit ADC | home-energy-monitor-adc-dual | 1× | 1 | · | part |
| 3 | Voltage Divider Network | home-energy-monitor-voltage-divider | 1× | 1 | · | part |
| 4 | Power Computation Firmware | home-energy-monitor-computation-engine | 1× | 1 | · | part |
| 5 | Energy Integrator | home-energy-monitor-energy-accumulator | 1× | 1 | · | part |
| 6 | Local Storage Buffer | home-energy-monitor-local-storage | 1× | 1 | · | part |
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Where the power measurement module is used
1 product across 1 domain contain it, directly or inside a sub-assemblyUsed in 1 assembly
Sourcing: possible vendors
Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
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🇨🇳Foxconn
foxconn.com ↗
|
Shenzhen, CN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| flex.com ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| dixoninfo.com ↗ | Noida, IN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| bydelectronic.com ↗ | Shenzhen, CN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| venture.com.sg ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |