E07-m1101d Pinout May 2026

| Pin | Name | Type | Description | |-----|-------------|-----------|-----------------------------------------------------------------------------| | 1 | ANT | RF I/O | Antenna port (50 Ω). Connect directly or via a matching network. | | 2 | GND | Power | Ground – must be connected to system ground plane. | | 3 | 3.3V | Power | Main supply (2.2 V – 3.6 V, typical 3.3 V). Requires 100 mA peak current. | | 4 | RST | Input | Active-low reset. Pull to GND to reset, then float or pull high. | | 5 | SCK | Input | SPI clock (max 10 MHz). Idle low, data sampled on rising edge. | | 6 | MISO | Output | SPI Master-In Slave-Out. Tri-stated when not selected. | | 7 | MOSI | Input | SPI Master-Out Slave-In. Sampled on clock rise. | | 8 | NSS | Input | SPI chip select (active low). Must be low for SPI communication. | | 9 | BUSY | Output | Busy indicator. High when module is processing (cannot accept commands). | | 10 | DIO0 | I/O | Digital I/O – configurable interrupt (e.g., TxDone, RxDone, CAD detected). | | 11 | DIO1 | I/O | Second interrupt line (e.g., FhssChangeChannel, RxTimeout). | | 12 | NC / GND| – / Power | No connect internally – but often PCB tied to GND. Check your vendor. |

Note: Some variants replace pin 12 with GND or ANT_SEL. Always verify with your specific datasheet.

These pins are highly configurable via CC1101 registers. Common uses:

If unused, leave them floating or pull down with a 10k resistor.

If you want, I can:

E07-M1101D is a compact 433MHz wireless transceiver module based on the Texas Instruments

chip. It typically features an 8-pin DIP (Dual In-line Package) layout designed for SPI communication with microcontrollers. E07-M1101D Pinout Definition

The module uses a standard 2x4 pin header with a 2.54mm pitch. The pins are defined as follows: Description Ground connection Power supply (1.8V – 3.6V DC) General Purpose Digital I/O pin 0 SPI Chip Select (Active Low) SPI Master Output Slave Input MISO / GDO1 SPI Master Input Slave Output / GDO1 General Purpose Digital I/O pin 2 Key Technical Specifications Operating Frequency: 387MHz to 464MHz (Default: 433MHz). Supply Voltage: 1.8V to 3.6V. Voltages above 3.6V will permanently damage the module. Communication Interface: 4-wire SPI (CSN, SCK, MOSI, MISO). Transmission Power: Maximum 10mW (10dBm), software-adjustable. Transmission Distance: Roughly 500m to 600m in open air. Modulation Modes: Supports OOK, ASK, GFSK, 2-FSK, 4-FSK, and MSK. Implementation Tips Logic Levels:

Ensure your microcontroller uses 3.3V logic. If using a 5V Arduino, you must use a level shifter for the input pins (CSN, SCK, MOSI) to avoid damaging the CC1101 chip.

The "SMA" version (E07-M1101D-SMA) includes an SMA connector for external antennas, which significantly improves range compared to the spring antenna version. Power Stability:

A decoupling capacitor (e.g., 10µF to 100µF) placed close to the VCC and GND pins is highly recommended to handle current spikes during transmission. E07-M1101D-TH User Manual - Ebyte e07-m1101d pinout

E07-M1101D is a small-size wireless transceiver module developed by based on the Texas Instruments CC1101

chip. It typically features an 8-pin (2x4) DIP package with a 2.54mm pitch, making it compatible with standard breadboards and prototyping. E07-M1101D Pinout Definition

The module is commonly wired through a 4-wire SPI interface and includes two configurable digital output pins for hardware interrupts or status monitoring. device.report Pin Number Description Ground connection. Supply voltage: 1.8V to 3.6V . (Exceeding 3.6V will damage the module).

General Purpose Digital Output 0. Often used for RX/TX interrupts. SPI Chip Select (Active Low). SPI Clock input. SPI Master Output Slave Input. SPI Master Input Slave Output; also functions as GDO1. General Purpose Digital Output 2. Key Technical Specifications Operating Frequency: 387MHz to 464MHz (Optimized for 433MHz ISM band). Max Output Power: 10mW (+10dBm), adjustable via software. Sensitivity: Up to -116dBm at low data rates. Communication Range: Approximately 500m to 600m in open areas. Interface: SPI (Up to 10Mbps). Modulation Modes: Supports 2-FSK, GFSK, MSK, ASK, and OOK. Wiring & Integration Tips Voltage Safety: Ensure your microcontroller (like Arduino or ESP32) uses 3.3V logic

. Connecting to a 5V source without level shifters will likely destroy the CC1101 chip. Antenna Importance:

The module requires an external antenna (usually via an SMA connector or stamp hole). Performance varies significantly based on antenna quality and placement. Software Libraries: For Arduino users, libraries like the SmartRC-CC1101-Driver-Lib are widely recommended for easy integration. | Pin | Name | Type | Description

Based on the part number format, the E07-M1101D is a wireless module manufactured by EBYTE (Chengdu Ebyte Electronic Technology). It is part of their long-range wireless series (likely based on the Si4463 or CC1101 RF chip, depending on the specific generation, though the 'M' often denotes high power).

Below is the standard pinout configuration for the E07-M1101D module.

E07-M1101D    ->    Arduino (3.3V version, e.g., Pro Mini 3.3V)
VCC (Pin 2)   ->    3.3V
GND (Pin 1)   ->    GND
RXD (Pin 3)   ->    TX (Pin 2 on SoftwareSerial, or D1 on Uno)
TXD (Pin 4)   ->    RX (Pin 3 on SoftwareSerial, or D0 on Uno)
AUX (Pin 5)   ->    Digital Pin 4 (optional)
M0 (Pin 6)    ->    Digital Pin 5 (or GND for default)
M1 (Pin 7)    ->    Digital Pin 6 (or GND)
RST (Pin 8)   ->    Digital Pin 7 (or 3.3V via 10kΩ)

The pinout of the E07-M1101D is far more than a wiring diagram; it is a strategic map of how a sophisticated radio transceiver interacts with a host system. From the three dedicated ground pins that preserve signal integrity, to the SPI bus that unlocks advanced configuration, to the clever GD0 interrupt that enables power-efficient operation, every pin serves a deliberate purpose. For the embedded developer, mastering this pinout means moving beyond "just connecting wires" and entering a realm where firmware and hardware cooperate seamlessly. In the silent language of electronics, the E07-M1101D’s pins speak clearly: efficiency, control, and reliability are all in the connection.

The intelligence of the E07-M1101D is accessed via a standard 4-wire SPI (Serial Peripheral Interface) bus. This occupies four critical pins: SI (Master Out Slave In / MOSI), SO (Master In Slave Out / MISO), SCLK (Serial Clock), and CSN (Chip Select Not). Unlike simpler RF modules (like the 433MHz ask/ook modules), the CC1101 inside the E07-M1101D contains dozens of internal configuration registers. The SPI interface is the gateway to these registers, allowing the engineer to program frequency deviation, data rate, output power, and channel filtering. Note: Some variants replace pin 12 with GND or ANT_SEL

The CSN pin plays a particularly crucial role. It must be pulled low to initiate a communication session; otherwise, the module ignores the bus. This enables multiple SPI devices to share the same data lines. Without a proper understanding of CSN timing, the module will remain silent, leading to the classic "no response" debugging headache.