I am text block. Click edit button to change this text. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.
SIM 800L LM2596 power board
SIM800L LM2596 power board providing stable 4V output with high current capability—ideal for powering SIM800L GSM modules reliably.
The SIM800L LM2596 Power Board is a dedicated power supply module designed to safely and reliably power SIM800L GSM/GPRS modules. It is based on the LM2596 DC-DC buck converter, which efficiently steps down higher input voltages to the stable 3.8–4.2V output required by the SIM800L.
This power board is capable of delivering high peak currents (up to 2A) needed during GSM transmission bursts, preventing module resets and communication failures. It includes onboard filtering and protection, ensuring stable operation even under fluctuating loads.
The SIM800L LM2596 power board is ideal for Arduino, ESP32, ESP8266, and IoT GSM projects, simplifying power design and improving overall system reliability.

Related products
2K2pf 2KV High Voltage Disc Capacitor (10 pcs)
ESP8266 WIFI Industrial stable version A full test board cloud function test Black board T5
- Â Support 802.11b / n / g wireless standard
- Independent development MCU platform
- High cost performance
- Support UART / GPIO data communication interface
- Support STA / AP / STA + AP coexistence mode of operation
- Support SmartLink intelligent networking (APP)
- Support wireless upgrade firmware
- Support WPS network configuration
- Built-in onboard antenna &Temperature and humidity sensor
- RGB three-color light adjustable
- Provide rich AT command set configuration
- Free AiCloud cloud service for debugging
- 3 AA batteries / 5V adapter power supply
- Size: 61.6mm x 56.2mm;
HC-06 4Pin Bluetooth Module Without Reset Switch
- Working current: matching for 30 mA, matching the communication for 8 mA.
- Dormancy current: no dormancy.
- Used for a GPS navigation system, water, and electricity gas meter reading system.
- With the computer and Bluetooth adapter, PDA, seamless connection equipment.
- Bluetooth module HC-08 Master and slave Two in one module.
- Use the CSR mainstream Bluetooth chip, Bluetooth V2.0 protocol standards.
- Potter default rate of 9600, the user can be set up.
- Bluetooth protocol: Bluetooth Specification v2.0+EDR
- Speed: Asynchronous: 2.1Mbps(Max) / 160 kbps, Synchronous: 1Mbps/1Mbps.
- Security: Authentication and encryption.
- Profiles: Bluetooth serial port.
HS-49 TOP220 Package Heat Sink
Peak Green PLA 1.75mm 1 KG Filament-Wanhao
Superbit expansion board for BBC Micro Bit Pocket Sized – Single Board Computer
Text to Speech TTL Module (Serial to Speech)
-  Single row 0.1″ header for easy connection to a host system
- Power requirements: +5 VDC
- 30 mA idle
- 46-220 mA active (depending on speech parameters and output load)
- Â Communication: Asynchronous 9600 bps serial (8N1)
- Dimensions: 1.25″x1.5″x0.37″
-
Text support rate is better
-
 Interface operation is simpler
-
5V single power supply.
-
Output directly connected to the speaker, can drive 4 ohms 3W / 8 ohm 2W speakers
-
Busy status output, can be connected to the microcontroller IO or indicator light, no need to be left floating.
-
 Voice effect optimization
-
 Module miniaturization and easy integration
-
Dimension: 33*27.5mm
-
With mounting holes

Reviews
There are no reviews yet.