Hi-End Microphone Preamplifier with Variable Compression, Noise Gating and Adjustable Gain
https://www.electronics-lab.com/project/hi-end-microphone-preamplifier-with-variable-compression-noise-gating-and-adjustable-gain/
The circuit shown here is a complete microphone signal conditioning system based on a single SSM2166 integrated circuit. Designed primarily for voiceband applications, this integrated circuit provides amplification, RMS detection, limiting, variable compression, and downward expansion. An integral voltage-controlled amplifier (VCA) provides up to 60dB of gain in the signal path with approximately 30kHz bandwidth. […]
250V AC Isolated Voltage-Sensing Circuit with Single output (250V AC Input 5V Output)
https://www.electronics-lab.com/project/250v-ac-isolated-voltage-sensing-circuit-with-single-output-250v-ac-input-5v-output/
The project presented here can be used in isolated voltage sensing measurements applications. The board was built using ISO224B isolated amplifier, isolated 5V DC-DC converter provides 5V DC to the input side of ISO224 amplifier, TLV6001 op-circuit converts the differential signal of ISO224 and provides single-ended output. The circuit measures the 250V AC voltage and […]
Carrier Board for Advanced Phase-Shift PWM Controller UCC3895
https://www.electronics-lab.com/project/carrier-board-for-advanced-phase-shift-pwm-controller-ucc3895/
This is a Phase-Shifted Full-Bridge PWM UCC3895 carrier board that contains all of the features necessary to implement a phase-shifted full-bridge topology power converter. All inputs and outputs pins are accessible using a header connector. A highly-efficient DC-DC converter can be created using this carrier board + External H-Bridge and Transformer. Refer to the datasheet […]
49W BTL 4 Channel Audio Power Amplifier
https://www.electronics-lab.com/project/49w-btl-4-channel-audio-power-amplifier/
This is a 49W – 4 Channel audio amplifier project that is built using TB2941HQ power Integrated Circuit which has a built-in four-channel BTL amplifier developed for car audio applications. The maximum output power is 49W using a pure complementary P-Ch and N-Ch DMOS output stage. In addition, a standby switch, a mute function, and […]
Smartpixels.app Lighting Control Project used to control Christmas lights
https://www.electronics-lab.com/smartpixels-app-lighting-control-project-used-to-control-christmas-lights/
story by Tomasz Siroń I would like to present a project developed with a passion for almost 10 years. It is a non-commercial installation of lights controlled via the Internet. The user can control the illumination in real-time using the panel on the website. I installed computer-controlled lights for the first time in 2012. I […]
PIEEG — A Low-Cost, Raspberry Pi Based Brain-Computer Interface
https://www.electronics-lab.com/pieeg-a-low-cost-raspberry-pi-based-brain-computer-interface/
The study of the electrical waves within the brain as a check for seizure activity relating to sleep disorders, brain tumors or epilepsy, has resulted in a parallel need for affordable EEG-based consumer applications in the healthcare center. Electronics, EEG, BCI, and neutral network Expert, Ildar Rakhmatulin and Co, have started working on a low-cost […]
LoRa Hat Expansion For Raspberry Pi Starts at $40
https://www.electronics-lab.com/lora-hat-expansion-for-raspberry-pi-starts-at-40/
Known for its DIY Robots and Hats for single board computers, SB Components has launched a crowdfunding campaign for its newest devices, LoRa Modules 868/433/915MHz — a LoRa HAT for Raspberry Pi and a LoRa Expansion for Pico, designed for data transmission of up to 5km with low power consumption, and support for auto repeating […]
Infineon Technologies 6EDL7141 Gate Driver IC
https://www.electronics-lab.com/infineon-technologies-6edl7141-gate-driver-ic/
Infineon Technologies 6EDL7141 Gate Driver IC is designed for 3-phase BLDC or PMSM motor drive applications. The 6EDL7141 features three half-bridge drivers, each capable of driving a high side and low side N-type MOSFET. Furthermore, the device is provided with programmable dead time delays for preventing current shoot-through between HS and LS switches in normal […]
e-con Systems launches 4K HDR USB 3.1 UVC camera based on AR0821
https://www.electronics-lab.com/e-con-systems-launches-4k-hdr-usb-3-1-uvc-camera-based-on-ar0821/
High Dynamic Range | Large pixel size (1/2” sensor) | 1080p@60 & 4K@30 fps e-con Systems Inc., a leading embedded camera solutions provider launches an 8MP USB 3.1 color HDR camera See3CAM_CU81 based on the AR0821 CMOS image sensor from On Semiconductor, with an inbuilt Image Signal Processor (ISP). See3CAM_CU81 is an 8MP fixed focus […]
6V – 2.5Ah Sealed Lead-Acid Battery Charger
https://www.electronics-lab.com/6v-2-5ah-sealed-lead-acid-battery-charger/
This dual-level float charger was designed for a 6V (three 2V cells) 2.5Ah battery. D2 LED was added for visual indication of charge completion, D3 indicates power, D4 LED presents overcharge condition, etc. 6V lead-acid battery charger is built using the UC3906 chip. UC3906 contains all of the necessary circuitry to optimally control the charge […]