E07-m1101d Pinout Direct
Symptom: SPI reads return 0xFF or 0x00.
Fix: Double-check wiring – SI (pin 3) goes to MCU MOSI, SO (pin 5) to MCU MISO.
The e07-m1101d is a breakout module containing the CC1101 chip, crystal, matching network, and antenna connector. The pinout refers to the module’s pads, not the IC’s bare pins.
In the rapidly evolving landscape of the Internet of Things (IoT) and embedded systems, the difference between a successful prototype and a failed project often hinges on the smallest details. Among these critical details is the pinout—the functional map of a module’s physical interface. The E07-M1101D, a compact and powerful 433MHz wireless transceiver module based on the CC1101 chipset, is a perfect case study. Understanding its pinout is not merely about connecting wires; it is about understanding the module’s operational philosophy, power management, and data flow. The E07-M1101D’s pin configuration is a masterclass in efficient design, balancing minimalism with functional necessity for long-range, low-power applications.
While strictly not a "pin" in the header sense, the dedicated RF output pad and its adjacent ground must be discussed. The E07-M1101D typically features a stamped hole or a small pad for soldering a helical spring antenna or a u.FL connector. This RF pin has a 50-ohm characteristic impedance. Connecting this incorrectly—using a long, untwisted wire or a sloppy solder joint—will destroy the module’s range and could even damage the internal power amplifier due to reflected power (high VSWR). The dedicated ground pin next to the antenna is not optional; it provides the RF return path and must be connected directly to the system’s ground plane.
The e07-m1101d pinout is straightforward but demands respect for power supply cleanliness, SPI discipline (especially the BUSY pin), and antenna matching. By following the wiring table and notes above, you can reliably integrate this LoRa module into your design.
For advanced usage (e.g., changing DIO mappings or using DIO5 for TCXO control), refer to the Semtech SX1276 datasheet together with your module vendor’s specific application note.
This guide applies to the e07-m1101d as sold by EByte and compatible manufacturers. Always confirm with your batch’s datasheet. e07-m1101d pinout
Ebyte E07-M1101D-SMA (CC1101-based) module features an 8-pin (2x4) DIP layout
with a 2.54mm pitch. Unlike the larger 10-pin "v1" modules, this version is more compact but retains standard SPI connectivity. E07-M1101D Pinout Reference Looking at the module from the front side
(the side with the components and antenna connector), the pins are typically numbered as follows: Pin Number Description Power supply input ( 1.8V – 3.6V Common ground connection Chip Select (Active Low) Serial Clock input SPI Data In Master Out Slave In SPI Data Out Master In Slave Out (also used for GDO1) Digital Out Configurable output (often for interrupts) Digital Out Configurable output (often for RX/TX status) Blog Post: Getting Started with the E07-M1101D Module 1. Hardware Essentials This module is a powerhouse for 433MHz ISM band
communication, offering long-range stability (up to 0.6km). However, it is not 5V tolerant Not able to PROG a new remote - ESP8266 and E07-M1101d
E07-M1101D is a 433MHz wireless transceiver module based on the Texas Instruments CC1101 chip. It typically features a 2x4 (8-pin) DIP header Pinout Configuration (8-Pin Layout)
Most versions of this module, including the E07-M1101D-SMA and E07-M1101D-TH, follow this standard pin definition: Pin Number Description Supply voltage (1.8V to 3.6V). Do not use 5V SPI Data Input. SPI Clock Input. SPI Data Output. General Purpose Digital I/O 2. SPI Chip Select (Active Low). General Purpose Digital I/O 0. Key Specifications Operating Voltage: 1.8V – 3.6V (3.3V is standard). Frequency Range: 387MHz – 464MHz (Optimized for 433MHz). Communication Interface: Maximum Transmit Power: +10 dBm (10 mW). Sensitivity: -112 dBm at 1.2 kbps. Critical Usage Notes Power Supply: Symptom : SPI reads return 0xFF or 0x00
Using a 5V controller (like an Arduino Uno) without level shifters or a dedicated 3.3V supply can destroy the chip. Pin Numbering Orientation: When looking at the component side
(top side where the chip is soldered), Pin 1 is typically indicated by a square pad or a small mark.
A standard 433MHz spring or SMA antenna is required for stable communication; without it, range will be limited to a few meters. Arduino Forum for connecting this module to an Not able to PROG a new remote - ESP8266 and E07-M1101d #22
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). The e07-m1101d is a breakout module containing the
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.
The CC1101 is controlled entirely via SPI. Ensure your microcontroller operates at 3.3V logic. If using a 5V MCU, use a level shifter (e.g., a voltage divider or dedicated IC).
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)
Note: Exact pin names and presence vary across e07-m1101d revisions or clones; verify the physical silkscreen and schematic for your module.