Season One: Episode 01

Zk-u485 Driver Page

It's Baltimore, 1999. Hae Min Lee, a popular high-school senior, disappears after school one day. Six weeks later detectives arrest her classmate and ex-boyfriend, Adnan Syed, for her murder. He says he's innocent - though he can't exactly remember what he was doing on that January afternoon. But someone can. A classmate at Woodlawn High School says she knows where Adnan was. The trouble is, she’s nowhere to be found.

2014

Ep. 01 Play Season One: Episode 01: The Alibi

Episode 01

The Alibi

A potential alibi surfaces … and then disappears again, at the worst possible time for Adnan’s case.

Episode Details
Ep. 02 Play Season One: Episode 02: The Breakup

Episode 02

The Breakup

Friends say Adnan was sad when Hae dumped him, but not crazy sad - normal sad. The prosecutors say he was rage-filled and vengeful. Which is it?

Episode Details
Ep. 03 Play Season One: Episode 03: Leakin Park

Episode 03

Leakin Park

Three weeks after Hae goes missing, a man discovers her body in the middle of a city forest. But his story is strange and his past is even stranger. Did he really just stumble on her by accident?

Episode Details
Ep. 04 Play Season One: Episode 04: Inconsistencies

Episode 04

Inconsistencies

The detectives get a lead that opens the case up for them. They bring Jay in for questioning and he tells them the story of January 13th. But then, a few weeks later, his story changes.

Episode Details
Ep. 05 Play Season One: Episode 05: Route Talk

Episode 05

Route Talk

Adnan once issued a challenge to Sarah: Recreate the state’s timeline of the murder by driving from Woodlawn High School to Best Buy in 21 minutes. It can’t be done, he said. So, we tried.

Episode Details
Ep. 06 Play Season One: Episode 06: The Case Against Adnan Syed

Episode 06

The Case Against Adnan Syed

Sarah weighs all the other circumstantial evidence prosecutors had against Adnan, including curious behavior, a dramatic note, and an unexplained mid-afternoon phone call.

Episode Details
Ep. 07 Play Season One: Episode 07: The Opposite of the Prosecution

Episode 07

The Opposite of the Prosecution

Sarah learned about another case with striking similarities to Adnan’s: a key witness, cell records, young people, drugs. So she called up the defense attorney on that case looking for insight, and got much more than she bargained for.

Episode Details
Ep. 08 Play Season One: Episode 08: The Deal with Jay

Episode 08

The Deal with Jay

The state’s case hinged on Jay’s credibility; he was their star witness and also their chief liability. So how did the jury make sense of Jay? How do we make sense of Jay?

Episode Details
Ep. 09 Play Season One: Episode 09: To Be Suspected

Episode 09

To Be Suspected

New information is coming in about what maybe didn’t happen on January 13, 1999.

Episode Details
Ep. 10 Play Season One: Episode 10: The Best Defense is a Good Defense

Episode 10

The Best Defense is a Good Defense

Adnan’s trial lawyer was a renowned defense attorney in Maryland – tough and savvy and smart. Exactly the kind of person you’d want defending you. But Adnan was convicted and she was disbarred. What happened? 

Episode Details
Ep. 11 Play Season One: Episode 11: Rumors

Episode 11

Rumors

Almost everyone described 17-year-old Adnan the same way: good kid, helpful at the mosque, respectful to his elders. But a couple of months ago, Sarah started hearing stories of a different kind of boy.

Episode Details
Ep. 12 Play Season One: Episode 12: What We Know

Episode 12

What We Know

After 15 months of reporting, we take out everything we’ve got - interviews and documents and police reports - we shake it all out, and we see what sticks.

Episode Details

2015-2019

In the years since season one concluded, Sarah Koenig wrote updates about important developments in the case. In 2015, the cell phone expert who testified at Adnan Syed’s trial said he no longer stood behind his testimony. In 2016, Adnan's attorney introduced new evidence and presented a case for why his conviction should be overturned. Serial covered what happened, day by day, in the three audio updates below. In 2019, Maryland’s highest court reversed a decision to give Adnan a new trial.

Play Season One: Update: Day 01, Adnan Syed’s Hearing

Day 01

Play Season One: Update: Day 02, Adnan Syed’s Hearing

Day 02

Play Season One: Update: Day 03, Adnan Syed’s Hearing

Day 03

2022

On September 19, 2022, the Baltimore City State's Attorney's office vacated Adnan's conviction. Sarah was at the courthouse when Adnan was released, hear details in Episode 13.

Ep. 13 Play Season One: Episode 13: Adnan Is Out

Episode 13

Adnan Is Out

In 2022, a prosecutor in the Baltimore State’s Attorney’s office stumbled upon two handwritten notes in Adnan’s case file. They changed everything.

Episode Details

On October 11, 2022, prosecutors dropped the charges, and Adnan is now free. Police are continuing to investigate. We are done reporting this story, but are sure others will continue to follow it. As they do, here's what we'll be looking for.

Zk-u485 Driver Page

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Manufactured by WCH. Extremely common in budget electronics.

Click the "Install" button within the driver installation window.

Sometimes, a motherboard's USB 3.0 ports might struggle with older serial converter chips. Try plugging the ZK-U485 into a USB 2.0 port, or use a dedicated USB hub.

: In industrial settings, the ZK-U485 driver enables communication between computers and industrial control devices, sensors, and actuators that use RS485 interfaces. zk-u485 driver

The module relies on an internal USB-to-serial chipset. This chipset translates the USB data packets into the differential signaling used by RS485. The ZK-U485 driver tells your operating system how to interact with this specific chip. Identifying Your Chipset: The First Step

Download the official macOS VCP (Virtual COM Port) driver package.

Ensure your software is set to Half-Duplex. 5. ZK-U485 Driver for macOS and Linux

You will need the CH341SER driver from the official WCH website . This public link is valid for 7 days

Fix: Go to > Ports > Right-click your device > Properties > Port Settings > Advanced . Change the COM Port Number to a fixed, unused allocation. Permission Denied (Linux)

The premium standard, though less common in the ZK-series unless specified.

: For building management systems (BMS), the driver facilitates the integration of RS485-based devices, such as HVAC controllers, lighting systems, and security equipment, with computer-based monitoring and control systems.

The first step in setting up your device is identifying its internal chipset. While most ZK-U485 modules rely on the , some variants may use alternative chips like the CP2102 . Can’t copy the link right now

is an industrial-grade USB to RS485 converter typically based on the serial interface chipset. Because it functions as a "Virtual COM Port" (VCP), your computer needs the correct driver to recognize it as a serial device for communication with RS485 networks. 1. Identify Your Chipset

Alternative resource: For some specific industrial batches, manufacturers may provide a Baidu cloud link. Step 2: Install the Driver

Do not plug in your device before finishing the driver installation. Once the driver is successfully installed:

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