Application notes, selection guides, and technical articles
When Winbond W25Q is short or you want to diversify supply, GigaDevice's GD25Q is a common pin-compatible second source. This guide covers JEDEC pinout and command compatibility, the QE bit, migration tips, and density mapping.
Published: 2026-06-02
Read More →
When STM32F103 is in shortage or on long lead times, GigaDevice's GD32F103 is a common pin-compatible second source. This guide covers pinout and register compatibility, the 108MHz vs 72MHz difference, migration tips, and how to source it.
Published: 2026-05-30
Read More →
For battery devices, an RTC's timekeeping current drives battery life. This article compares Micro Crystal's RV-3028-C7, the DS3231, and the PCF8563 on power, accuracy, and best-fit use, to help you pick the right real-time clock.
Published: 2026-05-26
Read More →
When adding wired networking to an MCU, the W5500, ENC28J60, and DM9051 are three common SPI options. This article compares hardwired TCP/IP versus a software stack, their specs and best-fit scenarios, plus shortage alternatives and sourcing.
Published: 2026-05-18
Read More →
Need a second source or industrial-grade alternative to the ESP8266/ESP-12F? The WIZnet WizFi360 is footprint-compatible with an AT-command interface. This article covers compatibility, migration tips, and sourcing.
Published: 2026-05-10
Read More →
The LM2596 is one of the industry's most common 3A buck regulators. This article covers how it is used, how it differs from the LM2576, and how a pin-compatible TAEJIN second source can de-risk supply.
Published: 2026-04-28
Read More →
The 24Cxx family of I²C EEPROMs is the most common small non-volatile memory. This article covers density naming, wiring and addressing, and how FMD's FT24C series replaces AT24C / 24LC / M24C parts.
Published: 2026-04-12
Read More →
A LoRaWAN gateway bridges LoRa end-nodes and the network server, and channel count sets capacity. This article explains how to choose by deployment size, indoor/industrial environment, and network-server needs, mapped to KIWI's three gateways.
Published: 2026-03-22
Read More →
One chip supporting both NFC (a phone tap) and UHF (long-range bulk inventory). This article explains the value of dual-frequency RFID, the difference between the EM4425 and EM4423, and where they fit.
Published: 2026-03-08
Read More →
GigaDevice's GD32 family spans Cortex-M3, M4, M23, and RISC-V, largely positioned to align with STM32. This article maps each family's core, positioning, and best-fit use to help you select quickly.
Published: 2026-02-22
Read More →
On-Bright focuses on offline (AC/DC) power ICs. This article explains the roles of PWM controllers, LED drivers, and USB-PD fast-charge controllers, mapped to the OB2263, OB3350, and OB2632Q.
Published: 2026-02-06
Read More →
Add Ethernet to a SoC without a built-in MAC using the SPI-interface DM9051: enabling the kernel driver, the device tree node, and common troubleshooting.
Published: 2025-04-01
Read More →
Understand the IEEE 802.3af/at PoE standard and use the WIZPoE-P1 module to design a powered device (PD) that draws power from the Ethernet cable — no separate power wiring.
Published: 2025-03-05
Read More →
Understand the EM6819 power modes and use voltage, clock, and peripheral management to push standby current into the nA range and maximize coin-cell battery life.
Published: 2025-02-10
Read More →
From the hardwired TCP/IP concept and SPI wiring to ioLibrary initialization and opening your first socket — a step-by-step guide to getting W5500 online with Arduino / STM32.
Published: 2025-01-15
Read More →Search by part number, brand, or keyword