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64 Key Infrared Remote Controller using PT2222M – NEC Code
64 channels Infra-Red Remote Transmitter circuit build around PT2222M IC, The IC is pin to pin compatible with NEC uPD6122 respectively, the remote is capable of controlling 64 functions keys and 3 double keys. The PT2222M Infra-red remote control transmission ICs using the NEC...
Continue ReadingConstant Current Laser Diode Driver Circuit Using OPA2350 OpAmp
The voltage-controlled current source circuit can be used to drive a constant current into a signal or pump laser diode. This simple linear driver provides a cleaner drive current into a laser diode than switching PWM drivers. The basic circuit is that of a Howland current pump with a...
Continue Reading+/- 1.7g Dual-Axis IMEMS Accelerometer Using ADXL203
The ADXL203 Module is high precision, low power, complete dual-axis accelerometers with signal conditioned voltage outputs, all on a single, monolithic IC. The ADXL203 measure acceleration with a full-scale range of ±1.7 g, ±5 g, or ±18 g. The ADXL203 can measure both dynamic...
Continue ReadingSTEP/DIR SIGNAL TO CW/CWW SIGNAL CONVERTER FOR CNC & MOTION CONTROL SYSTEMS
Simple Circuit converts Step/Dir. signal into to double drive CW/CWW Pulse, Mach3 and few Hobby CNC software’s provides Step/Direction pulse output to drive stepper motor drivers. Various AC servo works with double CW/CCW pulse. This circuit is solution to interface such AC...
Continue Reading4.5A H-Bridge DC Motor Driver Module Using TB6549HQ
The H-Bridge Motor Driver Module Based on TB6549HQ IC from Toshiba, is a full-bridge driver IC for DC motors that uses an LDMOS structure for output transistors. High-efficiency drive is possible through the use of a MOS process with low ON-resistance and a PWM drive system. Four...
Continue ReadingDual Relay Board Using SMD Components
Dual channel Compact Relay driver module can be controlled by feeding 2-12V trigger voltage, Very useful project for application like Micro-Controller based projects, Remote controller, Lamp on Off, and any circuits which required isolated 5A current and high voltage switching by...
Continue Reading2X L298 Dual DC Motor Driver Board for Robots
2XL298 H-Bridge Dual Motor driver project can control two DC motors connected to it. The circuit is designed around popular dual H-Bridge L298 from ST. Motor supply 7V To 46V DC, Load 2Amp Each Channel. Features Motor supply V2: 7 to 46 VDC Logic Supply V1 : 5V DC Input...
Continue ReadingFlex/Force Sensor to bargraph monitor using PIC16F886
Tiny Bar-Graph display provides a Red color bright, easy to read display which is proportional to the force applied on the FLEX sensor surface. This Bar-Graph has 20 segments in a single color and display Force applied on the FLEX sensor. The Barograph force monitor is based on a...
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