Overview
The Makerfocus 8-Pin Adapter is a specialized voltage regulator and breakout board designed for the two most popular wireless modules: the NRF24L01+ Transceiver and the ESP8266 ESP-01.
Most microcontrollers (like Arduino Uno) struggle to provide enough peak current on their 3.3V pins to sustain a stable WiFi or RF connection. This adapter uses an onboard AMS1117-3.3V regulator, allowing you to power your modules from a 5V source while ensuring they receive the clean, high-current 3.3V they need to operate without crashing.
Key Features
Dual Compatibility: The 2×4 female socket perfectly fits both NRF24L01+ and ESP-01 modules.
Onboard Voltage Regulation: Converts 4.8V–12V input down to a stable 3.3V for the module.
Signal Stability: Includes filtering capacitors to reduce high-frequency noise that often causes “Packet Loss” in wireless communication.
Breadboard Friendly: Breaks out the 8-pin header into a single row of pins, making it much easier to wire compared to the standard 2×4 block.
Power Indicator: Features an onboard SMD LED to confirm the board is receiving power.
Technical Specifications
| Feature | Specification |
| Input Voltage | 4.8V to 12V DC |
| Output Voltage | 3.3V DC (Stable) |
| Regulator IC | AMS1117-3.3 |
| Socket Type | 2×4 Female Header (8-Pin) |
| Breakout Pins | 6-Pin / 8-Pin Row (depending on model) |
| Compatible Modules | NRF24L01+, NRF24L01+ PA+LNA, ESP-01, ESP-01S |
| Dimensions | 26mm x 19mm x 12mm |
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