Author: user

Simple but neat, BLE enabled ISO and ANSI keyboards.

Requirements:

• BLE interface,
• USB HID Class,
• Low power profile.

Major components:

• nRF52832
• STM32F103
• BQ24074
• TPS79633

Number of PCB layers: 4

BOM price:  54 USD

Realization time: 6 weeks

This is one mighty WiFi to IR code translator. The IR codes are downloaded from Internet database and the device can support any TV/VCR/HVAC/Player with IR interface.

Requirements:

• WiFi Interface for communication and configuration,
• IR transmitter,
• Battery powered.

Major components:

• STM32L496
• CC3100
• W25Q32
• BQ24074

Number of PCB layers: 4

BOM price:  54 USD

Realization time: 5 weeks

Image capture up to 5 Mpix and transmission via 3G Cellular network is the key function of this device. This is a two device system which

Requirements:

• 3G Cellular interface,
• JPEG image capture,
• HTTP protocol.

Major components:

• STM32F767 & STM32L496
• HL8548-G & ST2378
• OV5640
• BQ24074

Number of PCB layers: 4

BOM price:  170 USD

Realization time: 10 weeks

Real-time audio from quad microphone at 16 b/Sample @16kHz PCM code is full spec of this device. Device WLAN interface is configured via BLE interface and as well streaming parameters.

Requirements:

• WiFi interface,
• Audio beam forming,
• Audio streaming.

Major components:

• STM32L4R9
• ATWINC3400
• MP45DT02
• BQ24074 & TPS75901

Number of PCB layers: 4

BOM price:  35 USD

Realization time: 8 weeks

As the name say a simple NFC sniffer/reader/writer.

Requirements:

• NFC data capture,
• Store records into non-volatile serial flash,
• Battery operated.

Major components:

• STM32L433
• ST25R3916
• MX25V8035
• BQ25100, TLV7553

Number of PCB layers: 4

BOM price:  40 USD

Realization time: 6 weeks